<template>
  <div>
    <!-- 面包屑导航区域 -->
    <bread-crumb :breadContent="breadContent"></bread-crumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.key"
            clearable
            @clear="getuserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getuserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <br />

      <!-- 用户列表区域 -->
      <el-table border stripe :max-height="pageHeight - 20" :data="userList">
        <!-- <el-table-column type="index"></el-table-column> -->
        <el-table-column label="账号" align="center" prop="username"></el-table-column>
        <el-table-column label="姓名" align="center" prop="name"></el-table-column>
        <el-table-column width="250px" label="邮箱" align="center" prop="email"></el-table-column>
        <el-table-column label="电话" align="center" prop="mobile"></el-table-column>
        <el-table-column label="角色" align="center" prop="roleName"></el-table-column>
        <el-table-column label="状态" align="center">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.available"
              @change="userStateChanged(scope.row)"
            ></el-switch>
          </template>
        </el-table-column>
        <el-table-column width="250px" label="操作" align="center">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-tooltip
              effect="dark"
              content="修改用户"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
                @click="showEditDialog(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 重置密码 -->
            <el-tooltip
              effect="dark"
              content="重置密码"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="success"
                icon="el-icon-refresh"
                size="mini"
                @click="resetPwdById(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 删除按钮 -->
            <el-tooltip
              effect="dark"
              content="删除用户"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUserById(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <!-- 分配角色按钮 -->
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <!-- <el-pagination
        background
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.page"
        :page-sizes="pageSizeList"
        :page-size="queryInfo.size"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination> -->

      <pagination
        v-show="total > 0"
        :total="total"
        :page.sync="queryInfo.page"
        :limit.sync="queryInfo.size"
        @pagination="getuserList"
      />
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主体区域 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="姓名" prop="name">
          <el-input v-model="addForm.name"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="姓名">
          <el-input v-model="editForm.name"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色的对话框 -->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <p>当前的用户：{{ userInfo.username }}</p>
      <p>
        当前的角色：
        <el-tag
          v-for="role in userInfo.roles"
          :key="role.id"
          closable
          type="success"
          @close="handleClose(role, userInfo)"
          >{{ role.name }}</el-tag
        >
      </p>
      <p>
        分配新角色：
        <el-select v-model="selectedRoleIds" multiple placeholder="请选择">
          <el-option
            v-for="item in rolesList"
            :key="item.id"
            :label="item.name"
            :value="item.id"
          ></el-option>
        </el-select>
      </p>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo"
          >确认分配新角色</el-button
        >
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data () {
    // 验证邮箱的规则
    const checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }

    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }

    return {
      breadContent: ["账户管理", "账户列表"],
      // 获取用户列表的参数对象
      queryInfo: {
        key: '',
        // 当前的页数
        page: 1,
        // 当前每页显示多少条数据
        size: 10
      },
      userList: [],
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        name: ''
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ]
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息对象
      editForm: {},
      // 修改表单的验证规则对象
      editFormRules: {
        email: [
          { required: true, message: '请输入用户邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入用户手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 已选中的角色Id值
      selectedRoleIds: '',
      // pageHeight: 0,
      pageSizeList: [5, 8, 10, 20]
    }
  },
  created () {
    // this.pageHeight = `${document.documentElement.clientHeight}`
    this.getuserList()
    // console.log(this.pageHeight)
  },
  methods: {
    // 获取用户列表
    async getuserList () {
      const { data: res } = await this.$http.get('account/page', {
        params: this.queryInfo
      })
      if (res.status !== 200) {
        return this.$message.error(res.message)
      }
      this.userList = res.data.records
      this.total = res.data.total
      console.log(res.data.records)
    },
    
    // 监听 switch 开关状态的改变
    async userStateChanged (userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(
        `account/${userinfo.id}/available/${userinfo.available}`
      )
      if (res.status !== 200) {
        userinfo.available = !userinfo.available
        return this.$message.error(res.message)
      }
      this.$message.success('更新用户状态成功！')
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        // 可以发起添加用户的网络请求
        const { data: res } = await this.$http.post('account/add', this.addForm)

        if (res.status !== 201) {
          return this.$message.error(res.message)
        }

        this.$message.success('添加用户成功！')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户列表数据
        this.getuserList()
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog (id) {
      // console.log(id)
      const { data: res } = await this.$http.get('account/' + id)

      if (res.status !== 200) {
        return this.$message.error(res.message)
      }

      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        // 发起修改用户信息的数据请求
        const { data: res } = await this.$http.put(
          'account/' + this.editForm.id,
          {
            name: this.editForm.name,
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        )

        if (res.status !== 200) {
          return this.$message.error(res.message)
        }

        // 关闭对话框
        this.editDialogVisible = false
        // 刷新数据列表
        this.getuserList()
        // 提示修改成功
        this.$message.success('更新用户信息成功！')
      })
    },
    // 根据Id删除对应的用户信息
    async removeUserById (id) {
      // 弹框询问用户是否删除数据
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }

      const { data: res } = await this.$http.delete('account/' + id)
      console.log(res)
      if (res.status === 500) {
        const { data: res } = await this.$http.delete('role/' + id,{params:{"cascade":true}})
        if(res.status !== 200) return this.$message.error(res.message)
        this.$message.success('删除用户成功！')
        this.getuserList()
      }

      this.$message.success('删除用户成功！')
      this.getuserList()
    },
    // 重置密码
    async resetPwdById (id) {
      // 弹框询问用户是否重置密码
      const confirmResult = await this.$confirm(
        '此操作将重置该用户密码, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)

      // 如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消了删除，则返回值为字符串 cancel
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }

      const { data: res } = await this.$http.put('account/' + id + '/password')

      if (res.status !== 200) {
        return this.$message.error(res.message)
      }

      this.$message.success('重置密码成功，为123456！')
      this.getuserList()
    },
    // 展示分配角色的对话框
    async setRole (userInfo) {
      this.userInfo = userInfo
      console.log(userInfo)
      // 在展示对话框之前，获取所有角色的列表
      const { data: res } = await this.$http.get('role/list')
      if (res.status !== 200) {
        return this.$message.error(res.message)
      }
      this.rolesList = res.data
      var temp = []
      userInfo.roles.forEach(function (x, k) {
        if (x.id !== 'default_role') { temp[k] = x.id }
      })
      this.selectedRoleIds = temp

      this.setRoleDialogVisible = true
    },
    // 点击按钮，分配角色
    async saveRoleInfo () {
      if (!this.selectedRoleIds) {
        return this.$message.error('分配错误')
      }
      console.log(this.selectedRoleIds)
      const { data: res } = await this.$http.post('account/bind/roles',
        {
          accountId: this.userInfo.id,
          roleIds: this.selectedRoleIds
        }
      )
      if (res.status !== 200) {
        return this.$message.error(res.message)
      }

      this.$message.success('更新角色成功！')
      this.getuserList()
      this.setRoleDialogVisible = false
    },

    // 点击tag，取消角色
    async handleClose (role,userInfo ) {
      // const { data: res } = await this.$http.delete(`role/${userInfo.id}/accountId=${role.id}`)
      console.log(userInfo.id,role.id)
      const { data: res } = await this.$http.delete('/account/unbind/role',
      {
        accountId: userInfo.id,
	      roleId: role.id
      }
      )
      if (res.status !== 200) {
        return this.$message.error(res.message)
      }
      console.log(res)
      this.userInfo.roles.splice(this.userInfo.roles.indexOf(role), 1)

      var temp = []
      this.userInfo.roles.forEach(function (x, k) {
        if (x.id !== 'default_role') { temp[k] = x.id }
      })
      this.selectedRoleIds = temp

      this.getuserList()
    },

    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed () {
      this.selectedRoleIds = ''
      this.userInfo = {}
    },
  }
}
</script>

<style lang="less" scoped>
.el-tag + .el-tag {
  margin-left: 10px;
}
</style>
